OS Command Injection Vulnerability in XWEB EVO by Dixell
CVE-2026-124009

8.6HIGH

Key Information:

Vendor

Copeland

Status
Vendor
CVE Published:
12 November 2026

What is CVE-2026-124009?

The XWEB EVO versions 5.2.3 to 5.8.8 by Dixell contain a vulnerability that allows authenticated attackers to execute arbitrary OS commands. By exploiting an unescaped concatenation within the output device path parameter processed by backup.lua, attackers can inject shell metacharacters. The vulnerability involves the execution of shell commands via the wlua interpreter using setuid interfaces like xwbackup.cgi and xwrestore.cgi, posing a serious risk of system compromise.

Affected Version(s)

XWEB EVO 5.2.3 <= 5.8.8

References

CVSS V4

Score:
8.6
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Valentin Lobstein (Chocapikk)
.